“Capgras delusions,” ... the belief that loved ones have been replaced by identical imposters... the brain has separate modules for analyzing the cognitive aspects of recognition, and for feeling the emotional aspects of familiarity... these functional fault lines in the social brain... have given rise to the contemporary Facebook generation... …

Networking is something I’ve always been crap at, but I’ve only recently discovered why. It turns out that it’s actually physiological — I have facial blindness — which makes me wonder just how much of my life has been (de)formed by some poor wiring deep within my brain.